from fastapi import FastAPIfrom fastapi.openapi.docs import (    get_swagger_ui_html,    get_swagger_ui_oauth2_redirect_html,)app = FastAPI(docs_url=None, redoc_url=None)@app.get("/docs", include_in_schema=False)async def custom_swagger_ui_html():    return get_swagger_ui_html(        openapi_url=app.openapi_url,        title=app.title + " - Swagger UI",        oauth2_redirect_url=app.swagger_ui_oauth2_redirect_url,+       swagger_extra_js_urls=["https://cdn.jsdelivr.net/npm/swagger-ui-dist@5/swagger-ui-standalone-preset.js"],+       swagger_extra_presets=["SwaggerUIStandalonePreset"],+       swagger_ui_parameters={"layout": "StandaloneLayout"},    )@app.get(app.swagger_ui_oauth2_redirect_url, include_in_schema=False)async def swagger_ui_redirect():    return get_swagger_ui_oauth2_redirect_html()@app.get("/users/{username}")async def read_user(username: str):    return {"message": f"Hello {username}"}